the food fair for the grade 6 pupils is intended to raise funds for the poor. grade 6-a sold 200 cakes less tjan grade 6-b. grade 6-c sold half as many as grade 6-a. grade 6-d sold 50 cakes less than grade 6-c. grade 6-d sold 300 cakes. how many did grade 6-a sell? Step by Step.